serial scanning

Because the single-chip microcomputer must communicate with many modules through serial port correspondence, this design carrys on the scanning operation to each modulus.

由于单片机控制系统要实现和多个模块之间的串口通信，因此本设计采用循环扫描各个模块串口的设计来完成。

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The test surface 2-D scanning system is realized by the movement of precision motorized stage, which is controlled by the computer through the microcontroller serial circuit. The minimal lateral movement distance is 0.039 μ m. The extended field will reach up to 12.5 mm × 12.5 mm.

单片机串口控制电路控制电控平移台的精确位移，实现了被测面的两维扫描，最小的横向位移为0.039μm，扩展后的视场达到12.5mm×12.5mm。

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C 52 keyboard scanning LED display and serial procedures.

89C52的键盘扫描LED显示及串口程序.

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Automatic serial number scanning and software information detection greatly reduces cumbersome data entry.

序号自动扫描和软件信息检测极大地降低了繁琐的数据输入.

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The serial interface dynamic scanning LED display circuit;

串行口动态扫描LED显示电路；

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